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Development of Probiotic Cheese Manufactured from Goat Milk: Response Surface Analysis via Technological Manipulation

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dc.contributor.authorGomes, Ana M. P.
dc.contributor.authorMalcata, F. Xavier
dc.date.accessioned2011-10-21T10:54:11Z
dc.date.available2011-10-21T10:54:11Z
dc.date.issued1998
dc.description.abstractProduction of caprine milk has been rising steadily, partially because of its good nutritional value; the possibility of improving nutritional benefits by adding probiotic species such as Bifidobacterium lactis and Lactobacillus acidophilus was assessed. The manufacturing process of a traditional semi-hard goat cheese was technologically modified to optimize the process. The amount of starter inoculum, the concentration of salt, the addition of a protein hydrolysate, and the ripening time were varied to improve the microbiological, biochemical, and sensory properties of the cheese. Bifidobacterium lactis was able to grow slightly (up to 3 × 108 cfu/g), but growth was dependent on the physicochemical characteristics of the cheese. Lactobacillus acidophilus did not grow substantially in any of the experimental cheeses, and maximum numbers did not exceed 6 × 107 cfu/g. Concentrations of lactic acid and acetic acid increased throughout cheese manufacture, indicating that production of these acids was uncoupled from growth. Viability of the probiotic strains during ripening was sufficient to yield numbers that were above the accepted threshold (106 cfu/g) for a probiotic effect. Both strains contributed significantly to ripening, especially in the formation of low molecular mass peptides and amino acids, but lipolysis was not greatly affected. Statistical analyses using response surface methodology indicated that the manufacture of goat cheese could be optimized by the addition of 0.30% (vol/wt) milk hydrolysate, 3 × 107 of viable B. lactis and 7 × 106 of viable L. acidophilus cells/ml of milk, respectively, 3.50% (wt/wt) salt, and ripening for 70 d.por
dc.identifier.citationGOMES, Ana M.P; MALCATA, F. Xavier - Development of Probiotic Cheese Manufactured from Goat Milk: Response Surface Analysis via Technological Manipulation. Journal of Dairy Science. ISSN Journal of Dairy Science. ISSN 0022-0302. Vol. 81, n.º 6 (1998), p.1492-1507por
dc.identifier.doi10.3168/jds.S0022-0302(98)75715-7
dc.identifier.urihttp://hdl.handle.net/10400.14/6636
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.subjectBifidobacterium lactispor
dc.subjectLactobacillus acidophiluspor
dc.subjectCaprine milkpor
dc.subjectCheese ripeningpor
dc.titleDevelopment of Probiotic Cheese Manufactured from Goat Milk: Response Surface Analysis via Technological Manipulationpor
dc.typejournal article
dspace.entity.typePublication
person.familyNameGomes
person.familyNameMalcata
person.givenNameAna Maria
person.givenNameFrancisco
person.identifier162628
person.identifier.ciencia-idAA12-BFC1-B2E3
person.identifier.ciencia-id1B13-38A5-35F5
person.identifier.orcid0000-0001-7883-2446
person.identifier.orcid0000-0003-3073-1659
person.identifier.ridB-9944-2013
person.identifier.scopus-author-id57190668768
person.identifier.scopus-author-id7102542478
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublicationc18c2fb1-f3dc-4274-a646-23d456432798
relation.isAuthorOfPublicationa06c00da-0e2f-4434-8ede-4d7b22c0dfe9
relation.isAuthorOfPublication.latestForDiscoveryc18c2fb1-f3dc-4274-a646-23d456432798

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